Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Dnyaneshwar D. Gaikwad"'
Autor:
Mukund G. Kulkarni, Sanjay W. Chavhan, Mahadev P. Shinde, Dnyaneshwar D. Gaikwad, Ajit S. Borhade, Attrimuni P. Dhondge, Yunnus B. Shaikh, Vijay B. Ningdale, Mayur P. Desai, Deekshaputra R. Birhade
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 5, Iss 1, p 4 (2009)
A zeolite-catalyzed, simple, one-pot, solvent-free, cost effective, and environmentally benign process for the synthesis of dihydropyrimidones is described. This reaction is scaleable to multigram scale and the catalyst is recyclable. This methodolog
Externí odkaz:
https://doaj.org/article/ec6a402456bb4308b6ca1a459369c8c0
Autor:
Nagorao R. Dhatrak, Deekshaputra R. Birhade, Attrimuni P. Dhondge, Ajit S. Borhade, Yunnus B. Shaikh, Sanjay W. Chavhan, Mukund G. Kulkarni, Dnyaneshwar D. Gaikwad
Publikováno v:
Tetrahedron: Asymmetry. 23:1234-1237
The synthesis of (+)-isofagomine 1 using 4-pentenol 3 as a chiral precursor is described herein.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e1b9e126b659558f9892685494d08ac
https://doi.org/10.1016/j.tetasy.2012.08.012
https://doi.org/10.1016/j.tetasy.2012.08.012
Autor:
Deekshaputra R. Birhade, Attrimuni P. Dhondge, Sanjay W. Chavhan, Mayur P. Desai, Vijay B. Ningdale, Ajit S. Borhade, Yunnus B. Shaikh, Dnyaneshwar D. Gaikwad, Mukund G. Kulkarni
Publikováno v:
Synthetic Communications. 40:423-433
A two-step iterative sequence of Wittig olefination followed by Claisen rearrangement resulted in 1,7-octadienes, which afforded the corresponding cyclohexene carbaldehydes upon ring-closing metathesis with Grubbs catalyst.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::95c4f2faaf471ddf4fa81646db18840d
https://doi.org/10.1080/00397910902985473
https://doi.org/10.1080/00397910902985473
Autor:
Attrimuni P. Dhondge, Sanjay W. Chavhan, Dnyaneshwar D. Gaikwad, Mayur P. Desai, Yunnus B. Shaikh, Mukund G. Kulkarni, Nagorao R. Dhatrak, Ajit S. Borhade, Deekshaputra R. Birhade
Publikováno v:
Tetrahedron Letters. 54:2293-2295
Wacker oxidation of various terminal olefins with Pd0/C-KBrO3, a nontoxic, environmentally benign, and easy to handle catalyst system, was achieved in high isolated yields. The described protocol offers an alternative to the traditional Wacker system
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::008808ede8a3e750c3fca86257537576
https://doi.org/10.1016/j.tetlet.2013.01.082
https://doi.org/10.1016/j.tetlet.2013.01.082
Autor:
Ajit S. Borhade, Deekshaputra R. Birhade, Sanjay W. Chavhan, Attrimuni P. Dhondge, Yunnus B. Shaikh, Mayur P. Desai, Nagorao R. Dhatrak, Mukund G. Kulkarni, Vijay B. Ningdale, Dnyaneshwar D. Gaikwad
Publikováno v:
Tetrahedron Letters. 51:4494-4496
Application of Wittig olefination–Claisen rearrangement protocol for the short synthesis of furo[2,3- b ]indoles is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab995c9ed4f403fcaca41e0bd0ca1c1a
https://doi.org/10.1016/j.tetlet.2010.06.068
https://doi.org/10.1016/j.tetlet.2010.06.068
Autor:
Vijay B. Nigdale, Dnyaneshwar D. Gaikwad, Mayur P. Desai, Sanjay W. Chavhan, Ajit S. Borhade, Mukund G. Kulkarni, Attrimuni P. Dhondge, Mahadev P. Shinde, Yunnus B. Shaikh, Deekshaputra R. Birhade
Publikováno v:
European Journal of Organic Chemistry. 2009:3875-3877
The Wittig olefination–Claisen rearrangement protocol was applied to the total synthesis of (±)-physovenine. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53434105f251db629c65f865139d002d
https://doi.org/10.1002/ejoc.200900391
https://doi.org/10.1002/ejoc.200900391
Autor:
Ajit S. Borhade, Attrimuni P. Dhondge, Vijay B. Ningdale, Mahadev P. Shinde, Sanjay W. Chavhan, Yunnus B. Shaikh, Mayur P. Desai, Deekshaputra R. Birhade, Mukund G. Kulkarni, Dnyaneshwar D. Gaikwad
Publikováno v:
Tetrahedron Letters. 50:2411-2413
Application of the Wittig olefination–Claisen rearrangement protocol for the total synthesis of (±)-physostigmine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4e7f73a0b7e372248e40cbaf0271cc0b
https://doi.org/10.1016/j.tetlet.2009.03.012
https://doi.org/10.1016/j.tetlet.2009.03.012
Autor:
Dnyaneshwar D. Gaikwad, Ajit S. Borhade, Mukund G. Kulkarni, Attrimuni P. Dhondge, Sanjay W. Chavhan, Saryu I. Davawala
Publikováno v:
Tetrahedron Letters. 47:1003-1005
A two-step synthetic sequence for an efficient synthesis of 3-allylindoles is described.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7d3aa39b4769be176028af062a17adf
https://doi.org/10.1016/j.tetlet.2005.11.134
https://doi.org/10.1016/j.tetlet.2005.11.134
Autor:
Mukund G. Kulkarni, Dnyaneshwar D. Gaikwad, Ajit S. Borhade, Nagorao R. Dhatrak, Sanjay W. Chavhan, Deekshaputra R. Birhade, Yunnus B. Shaikh, Mayur P. Desai, Attrimuni P. Dhondge
Publikováno v:
ChemInform. 44
The novel protocol uses KBrO3 as the oxidant and Pd-C as the catalyst and provides an environmentally benign alternative to the traditional Wacker system.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cce29719ea1688c2515ae4e865e4bd9c
https://doi.org/10.1002/chin.201333031
https://doi.org/10.1002/chin.201333031
Autor:
Dnyaneshwar D. Gaikwad, Ajit S. Borhade, Vijay B. Ningdale, Attrimuni P. Dhondge, Deekshaputra R. Birhade, Yunnus B. Shaikh, Mukund G. Kulkarni, Nagorao R. Dhatrak, Sanjay W. Chavhan, Mayur P. Desai
Publikováno v:
ChemInform. 41
The approach to the title compounds (V) involves Wittig olefination, Claisen rearrangement, ozonolysis and subsequent reductive cyclization of the resulting unstable dialdehyde.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0872c4523809fa29b99f86713085661c
https://doi.org/10.1002/chin.201050117
https://doi.org/10.1002/chin.201050117